Asteroids

371660 2007CN26 help

Last update: 2025-09-10 00:30 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.945

Aphelion (Q)

1.641

Eccentricity (e)

0.269

Inclination (i)

7.6

deg

Orbit period (P)

536.7

Earth MOID

0.00281

U parameter

0.0

Next Earth close approach

Date

2038-08-01

Nominal distance (from Earth center)

0.10276

15372725

Maximum Brightness

21.2

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

mag

Diameter

200

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2007-02-10

Observatory

Mt. Lemmon Survey

ORBIT VISUALISATION TOOLS

External links

Proper elements

Epoch

Near present day

Near middle of observation arc

Orbit properties

Epoch
Semimajor Axis
Eccentricity (e)
Inclination (i)
Long. of Ascending Node (Ω)
Arg. of Perihelion (ω)
Mean Anomaly (M)
Perihelion distance
Aphelion distance
Asc. Node-Earth Sep.
Desc. Node-Earth Sep.
MOID
Orbit Period
U parameter

Value

1-sigma variation

Unit

Epoch

Value

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.292546

1-sigma variation

3.468E-9

Unit

Eccentricity (e)

Value

0.269222

1-sigma variation

1.511E-8

Unit

Inclination (i)

Value

7.5849

1-sigma variation

2.042E-6

Unit

Long. of Ascending Node (Ω)

Value

159.2640

1-sigma variation

8.141E-6

Unit

Arg. of Perihelion (ω)

Value

135.6935

1-sigma variation

1.172E-5

Unit

Mean Anomaly (M)

Value

139.98563

1-sigma variation

0.00001

Unit

Perihelion distance

Value

0.944564

1-sigma variation

Unit

Aphelion distance

Value

1.640528

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.493528

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.004636

1-sigma variation

Unit

MOID

Value

0.002806

1-sigma variation

Unit

Orbit Period

Value

536.7444

1-sigma variation

Unit

U parameter

Value

0.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.20285E-17	-9.48947E-18	1.27066E-15	2.84199E-15	2.70586E-15	-4.62476E-14
e	-9.48947E-18	2.28270E-16	-2.25429E-14	-8.96417E-14	6.72385E-14	3.22874E-14
i	1.27066E-15	-2.25429E-14	4.17160E-12	8.18511E-12	-5.85303E-12	-4.39350E-12
Ω	2.84199E-15	-8.96417E-14	8.18511E-12	6.62787E-11	-8.64765E-11	8.61501E-12
ω	2.70586E-15	6.72385E-14	-5.85303E-12	-8.64765E-11	1.37470E-10	-4.63357E-11
M	-4.62476E-14	3.22874E-14	-4.39350E-12	8.61501E-12	-4.63357E-11	1.88358E-10

Date of computation: 2025-09-10 00:30 UTC

Note: The ASCII file is in a format suitable for Orbfit input.

Download ASCII file:

Physical properties

Rotation Period
Quality
Amplitude
Rotation Direction
Spinvector L
Spinvector B

Rotational properties

Value

Unit

Source

Rotation Period

Value

Unit

Source

[-]

Quality

Value

Unit

Source

[-]

Amplitude

Value

Unit

mag

Source

[-]

Rotation Direction

Value

Unit

Source

[-]

Spinvector L

Value

Unit

Source

[-]

Spinvector B

Value

Unit

Source

[-]

Taxonomy
Taxonomy (all)

Taxonomy

Value

Unit

Source

Taxonomy

Value

Unit

Source

[-]

Taxonomy (all)

Value

Unit

Source

[-]

Absolute Magnitude (H)
Slope Parameter (G)

H / G

Value

Unit

Source

Absolute Magnitude (H)

Value

21.045

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.16

Unit

Source

[2]

Diameter

Value

200

Unit

Source

[2]

Color Index Information

Color Index Information

Value

Unit

Source

Color Index Information

Value

Unit

mag

Source

[-]

Sightings

Sightings

Value

Unit

Source

Sightings

Value

Radar R

Unit

Source

[3]

Download this part as:

Sources

No.	Name	Additional
[1]	ESA Aegis	ESA orbit determination and impact monitoring system
[2]	EARN	1.) Mainzer, A.; Grav, T.; Masiero, J.; Bauer, J.; et al. (2012) Astrophys. J. Let. 760, L12.
[3]	EARN	1.) href="http://echo.jpl.nasa.gov/asteroids/index.html">JPL's NEO Radar Detection Program Webpage

Observational Information

Arc Length
Unobserved
Normalized RMS of residuals

Arc Information

Value

Unit

Source

Arc Length

Value

5802

Unit

Source

[1]

Unobserved

Value

1043

Unit

Source

[1]

Normalized RMS of residuals

Value

0.520598

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2007-02-10.36181

Unit

Source

[2]

Last Observation

Value

2022-12-30.25315

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

275 (1)

Unit

Source

[1]

Radar Summary

First Observation
Last Observation
Delay (Discarded)
Doppler (Discarded)
Total Optical Observations (Discarded)

Radar

Value

Unit

Source

First Observation

Value

2013-08-27

Unit

Source

[3]

Last Observation

Value

2013-09-03

Unit

Source

[3]

Delay (Discarded)

Value

7 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

5 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

12 (0)

Unit

Source

[1]

Note: The ASCII file is in a format suitable for Orbfit input.

Sources

No.	Name	Additional
[1]	ESA Aegis	ESA orbit determination and impact monitoring system
[2]	MPC	Minor Planet Center: https://www.minorplanetcenter.net
[3]	JPL Radar Observations	Jet Propulsion Laboratory: https://ssd.jpl.nasa.gov/dat/radar_data_ast.txt

Computation parameters

As seen from:

Initial Date: *

Final Date: *

Output option:

One line per time step

Time step:*

* - these fields are required

Close Approaches for 371660 2007CN26 from 1950 to 2125

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possible distance in au	Distance uncert. in au
EARTH	1979-05-27 06:47	16.0	0.1487591	0.1486045	0.0000517
EARTH	1982-07-20 12:01	33.3	0.1149673	0.1148964	0.0000237
EARTH	1985-09-02 03:12	< 1 min	0.0026957	0.0026940	0.0000006
EARTH	1988-05-22 15:41	< 1 min	0.1393644	0.1393639	0.0000002
EARTH	2013-08-28 08:07	< 1 s	0.0304816	0.0304816	0.0000000
EARTH	2016-05-14 17:04	< 1 s	0.1760357	0.1760355	0.0000001
EARTH	2038-08-01 18:07	< 1 min	0.1027603	0.1027593	0.0000003
EARTH	2060-09-11 23:35	< 1 min	0.0892084	0.0892067	0.0000006
EARTH	2063-06-04 16:07	< 1 min	0.1336954	0.1336953	0.0000000
EARTH	2085-09-06 04:38	< 1 min	0.0252155	0.0252139	0.0000006
EARTH	2088-06-03 06:03	< 1 min	0.1333945	0.1333943	0.0000000
EARTH	2113-09-18 10:19	< 1 min	0.1553683	0.1553321	0.0000121
EARTH	2116-07-27 12:37	6.7	0.1097231	0.1097061	0.0000057

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
34.93947410	238.55411545	0.00218344	MINIMUM
327.34447499	150.04055993	0.13367331	MINIMUM
334.03518261	158.65323495	0.13383461	SADDLE
176.97353816	10.55793690	0.66738445	SADDLE
358.41570994	11.05773320	1.92630442	SADDLE
180.22017867	192.99389063	2.65377908	MAXIMUM

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MOID Plots

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